Portion of a shoe



FIG. 1 is a left side perspective view showing my new design disposed within a portion of a shoe. The broken lines showing the shoe and shoe bottom in FIG. 1 are for illustrative purposes only and form no part of the claimed design.

FIG. 2 is a left side elevational view;

FIG. 3 is a right side perspective view; and,

FIG. 4 is a right side elevational view of the present invention. 

I claim the ornamental design for portion of a shoe, as shown. 